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/*
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.firebase.auth;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.api.client.json.JsonFactory;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.firebase.auth.internal.GetAccountInfoResponse.User;
import com.google.firebase.internal.NonNull;
import com.google.firebase.internal.Nullable;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Contains metadata associated with a Firebase user account. Instances of this class are immutable
* and thread safe.
*/
public class UserRecord implements UserInfo {
private static final String PROVIDER_ID = "firebase";
private static final Map REMOVABLE_FIELDS = ImmutableMap.of(
"displayName", "DISPLAY_NAME",
"photoUrl", "PHOTO_URL");
static final String CUSTOM_ATTRIBUTES = "customAttributes";
private static final int MAX_CLAIMS_PAYLOAD_SIZE = 1000;
private final String uid;
private final String email;
private final String phoneNumber;
private final boolean emailVerified;
private final String displayName;
private final String photoUrl;
private final boolean disabled;
private final ProviderUserInfo[] providers;
private final long tokensValidAfterTimestamp;
private final UserMetadata userMetadata;
private final Map customClaims;
UserRecord(User response, JsonFactory jsonFactory) {
checkNotNull(response, "response must not be null");
checkNotNull(jsonFactory, "jsonFactory must not be null");
checkArgument(!Strings.isNullOrEmpty(response.getUid()), "uid must not be null or empty");
this.uid = response.getUid();
this.email = response.getEmail();
this.phoneNumber = response.getPhoneNumber();
this.emailVerified = response.isEmailVerified();
this.displayName = response.getDisplayName();
this.photoUrl = response.getPhotoUrl();
this.disabled = response.isDisabled();
if (response.getProviders() == null || response.getProviders().length == 0) {
this.providers = new ProviderUserInfo[0];
} else {
this.providers = new ProviderUserInfo[response.getProviders().length];
for (int i = 0; i < this.providers.length; i++) {
this.providers[i] = new ProviderUserInfo(response.getProviders()[i]);
}
}
this.tokensValidAfterTimestamp = response.getValidSince() * 1000;
this.userMetadata = new UserMetadata(response.getCreatedAt(), response.getLastLoginAt());
this.customClaims = parseCustomClaims(response.getCustomClaims(), jsonFactory);
}
private Map parseCustomClaims(String customClaims, JsonFactory jsonFactory) {
if (Strings.isNullOrEmpty(customClaims)) {
return ImmutableMap.of();
}
try {
Map parsed = new HashMap<>();
jsonFactory.createJsonParser(customClaims).parseAndClose(parsed);
return ImmutableMap.copyOf(parsed);
} catch (IOException e) {
throw new IllegalArgumentException("Failed to parse custom claims json", e);
}
}
/**
* Returns the user ID of this user.
*
* @return a non-null, non-empty user ID string.
*/
@Override
public String getUid() {
return uid;
}
/**
* Returns the provider ID of this user.
*
* @return a constant provider ID value.
*/
@Override
public String getProviderId() {
return PROVIDER_ID;
}
/**
* Returns the email address associated with this user.
*
* @return an email address string or null.
*/
@Nullable
@Override
public String getEmail() {
return email;
}
/**
* Returns the phone number associated with this user.
*
* @return a phone number string or null.
*/
@Nullable
@Override
public String getPhoneNumber() {
return phoneNumber;
}
/**
* Returns whether the email address of this user has been verified.
*
* @return true if the email has been verified, and false otherwise.
*/
public boolean isEmailVerified() {
return emailVerified;
}
/**
* Returns the display name of this user.
*
* @return a display name string or null.
*/
@Nullable
@Override
public String getDisplayName() {
return displayName;
}
/**
* Returns the photo URL of this user.
*
* @return a URL string or null.
*/
@Nullable
@Override
public String getPhotoUrl() {
return photoUrl;
}
/**
* Returns whether this user account is disabled.
*
* @return true if the user account is disabled, and false otherwise.
*/
public boolean isDisabled() {
return disabled;
}
/**
* Returns an array of {@code UserInfo} objects that represents the identities from different
* identity providers that are linked to this user.
*
* @return an array of {@link UserInfo} instances, which may be empty.
*/
public UserInfo[] getProviderData() {
return providers;
}
/**
* Returns a timestamp in milliseconds since epoch, truncated down to the closest second.
* Tokens minted before this timestamp are considered invalid.
*
* @return Timestamp in milliseconds since the epoch. Tokens minted before this timestamp are
* considered invalid.
*/
public long getTokensValidAfterTimestamp() {
return tokensValidAfterTimestamp;
}
/**
* Returns additional metadata associated with this user.
*
* @return a non-null UserMetadata instance.
*/
public UserMetadata getUserMetadata() {
return this.userMetadata;
}
/**
* Returns custom claims set on this user.
*
* @return a non-null, immutable Map of custom claims, possibly empty.
*/
@NonNull
public Map getCustomClaims() {
return customClaims;
}
/**
* Returns a new {@link UpdateRequest}, which can be used to update the attributes
* of this user.
*
* @return a non-null UserRecord.UpdateRequest instance.
*/
public UpdateRequest updateRequest() {
return new UpdateRequest(uid);
}
static void checkUid(String uid) {
checkArgument(!Strings.isNullOrEmpty(uid), "uid cannot be null or empty");
checkArgument(uid.length() <= 128, "UID cannot be longer than 128 characters");
}
static void checkEmail(String email) {
checkArgument(!Strings.isNullOrEmpty(email), "email cannot be null or empty");
checkArgument(email.matches("^[^@]+@[^@]+$"));
}
static void checkPhoneNumber(String phoneNumber) {
// Phone number verification is very lax here. Backend will enforce E.164 spec compliance, and
// normalize accordingly.
checkArgument(!Strings.isNullOrEmpty(phoneNumber), "phone number cannot be null or empty");
checkArgument(phoneNumber.startsWith("+"),
"phone number must be a valid, E.164 compliant identifier starting with a '+' sign");
}
static void checkUrl(String photoUrl) {
checkArgument(!Strings.isNullOrEmpty(photoUrl), "url cannot be null or empty");
try {
new URL(photoUrl);
} catch (MalformedURLException e) {
throw new IllegalArgumentException("malformed url string", e);
}
}
private static void checkPassword(String password) {
checkArgument(!Strings.isNullOrEmpty(password), "password cannot be null or empty");
checkArgument(password.length() >= 6, "password must be at least 6 characters long");
}
static void checkCustomClaims(Map customClaims) {
if (customClaims == null) {
return;
}
for (String key : customClaims.keySet()) {
checkArgument(!Strings.isNullOrEmpty(key), "Claim names must not be null or empty");
checkArgument(!FirebaseUserManager.RESERVED_CLAIMS.contains(key),
"Claim '" + key + "' is reserved and cannot be set");
}
}
private static void checkValidSince(long epochSeconds) {
checkArgument(epochSeconds > 0, "validSince (seconds since epoch) must be greater than 0: "
+ Long.toString(epochSeconds));
}
static String serializeCustomClaims(Map customClaims, JsonFactory jsonFactory) {
checkNotNull(jsonFactory, "JsonFactory must not be null");
if (customClaims == null || customClaims.isEmpty()) {
return "{}";
}
try {
String claimsPayload = jsonFactory.toString(customClaims);
checkArgument(claimsPayload.length() <= MAX_CLAIMS_PAYLOAD_SIZE,
"customClaims payload cannot be larger than " + MAX_CLAIMS_PAYLOAD_SIZE + " characters");
return claimsPayload;
} catch (IOException e) {
throw new IllegalArgumentException("Failed to serialize custom claims into JSON", e);
}
}
/**
* A specification class for creating new user accounts. Set the initial attributes of the new
* user account by calling various setter methods available in this class. None of the attributes
* are required.
*/
public static class CreateRequest {
private final Map properties = new HashMap<>();
/**
* Creates a new {@link CreateRequest}, which can be used to create a new user. The returned
* object should be passed to {@link FirebaseAuth#createUser(CreateRequest)} to register
* the user information persistently.
*/
public CreateRequest() {
}
/**
* Sets a user ID for the new user.
*
* @param uid a non-null, non-empty user ID that uniquely identifies the new user. The user ID
* must not be longer than 128 characters.
*/
public CreateRequest setUid(String uid) {
checkUid(uid);
properties.put("localId", uid);
return this;
}
/**
* Sets an email address for the new user.
*
* @param email a non-null, non-empty email address string.
*/
public CreateRequest setEmail(String email) {
checkEmail(email);
properties.put("email", email);
return this;
}
/**
* Sets a phone number for the new user.
*
* @param phone a non-null, non-empty phone number string.
*/
public CreateRequest setPhoneNumber(String phone) {
checkPhoneNumber(phone);
properties.put("phoneNumber", phone);
return this;
}
/**
* Sets whether the user email address has been verified or not.
*
* @param emailVerified a boolean indicating the email verification status.
*/
public CreateRequest setEmailVerified(boolean emailVerified) {
properties.put("emailVerified", emailVerified);
return this;
}
/**
* Sets the display name for the new user.
*
* @param displayName a non-null, non-empty display name string.
*/
public CreateRequest setDisplayName(String displayName) {
checkNotNull(displayName, "displayName cannot be null or empty");
properties.put("displayName", displayName);
return this;
}
/**
* Sets the photo URL for the new user.
*
* @param photoUrl a non-null, non-empty URL string.
*/
public CreateRequest setPhotoUrl(String photoUrl) {
checkUrl(photoUrl);
properties.put("photoUrl", photoUrl);
return this;
}
/**
* Sets whether the new user account should be disabled by default or not.
*
* @param disabled a boolean indicating whether the new account should be disabled.
*/
public CreateRequest setDisabled(boolean disabled) {
properties.put("disabled", disabled);
return this;
}
/**
* Sets the password for the new user.
*
* @param password a password string that is at least 6 characters long.
*/
public CreateRequest setPassword(String password) {
checkPassword(password);
properties.put("password", password);
return this;
}
Map getProperties() {
return ImmutableMap.copyOf(properties);
}
}
/**
* A class for updating the attributes of an existing user. An instance of this class can be
* obtained via a {@link UserRecord} object, or from a user ID string. Specify the changes to be
* made in the user account by calling the various setter methods available in this class.
*/
public static class UpdateRequest {
private final Map properties = new HashMap<>();
/**
* Creates a new {@link UpdateRequest}, which can be used to update the attributes
* of the user identified by the specified user ID. This method allows updating attributes of
* a user account, without first having to call {@link FirebaseAuth#getUser(String)}.
*
* @param uid a non-null, non-empty user ID string.
* @throws IllegalArgumentException If the user ID is null or empty.
*/
public UpdateRequest(String uid) {
checkArgument(!Strings.isNullOrEmpty(uid), "uid must not be null or empty");
properties.put("localId", uid);
}
String getUid() {
return (String) properties.get("localId");
}
/**
* Updates the email address associated with this user.
*
* @param email a non-null, non-empty email address to be associated with the user.
*/
public UpdateRequest setEmail(String email) {
checkEmail(email);
properties.put("email", email);
return this;
}
/**
* Updates the phone number associated with this user. Calling this method with a null argument
* removes the phone number from the user account.
*
* @param phone a valid phone number string or null.
*/
public UpdateRequest setPhoneNumber(@Nullable String phone) {
if (phone != null) {
checkPhoneNumber(phone);
}
properties.put("phoneNumber", phone);
return this;
}
/**
* Updates the email verification status of this account.
*
* @param emailVerified a boolean indicating whether the email address has been verified.
*/
public UpdateRequest setEmailVerified(boolean emailVerified) {
properties.put("emailVerified", emailVerified);
return this;
}
/**
* Updates the display name of this user. Calling this method with a null argument removes the
* display name attribute from the user account.
*
* @param displayName a display name string or null
*/
public UpdateRequest setDisplayName(@Nullable String displayName) {
properties.put("displayName", displayName);
return this;
}
/**
* Updates the Photo URL of this user. Calling this method with a null argument removes
* the photo URL attribute from the user account.
*
* @param photoUrl a valid URL string or null
*/
public UpdateRequest setPhotoUrl(@Nullable String photoUrl) {
// This is allowed to be null
if (photoUrl != null) {
checkUrl(photoUrl);
}
properties.put("photoUrl", photoUrl);
return this;
}
/**
* Enables or disables this user account.
*
* @param disabled a boolean indicating whether this account should be disabled.
*/
public UpdateRequest setDisabled(boolean disabled) {
properties.put("disableUser", disabled);
return this;
}
/**
* Updates the password of this user.
*
* @param password a new password string that is at least 6 characters long.
*/
public UpdateRequest setPassword(String password) {
checkPassword(password);
properties.put("password", password);
return this;
}
/**
* Updates the custom claims associated with this user. Calling this method with a null
* argument removes any custom claims from the user account.
*
* @param customClaims a Map of custom claims or null
*/
public UpdateRequest setCustomClaims(Map customClaims) {
checkCustomClaims(customClaims);
properties.put(CUSTOM_ATTRIBUTES, customClaims);
return this;
}
UpdateRequest setValidSince(long epochSeconds) {
checkValidSince(epochSeconds);
properties.put("validSince", epochSeconds);
return this;
}
Map getProperties(JsonFactory jsonFactory) {
Map copy = new HashMap<>(properties);
List remove = new ArrayList<>();
for (Map.Entry entry : REMOVABLE_FIELDS.entrySet()) {
if (copy.containsKey(entry.getKey()) && copy.get(entry.getKey()) == null) {
remove.add(entry.getValue());
copy.remove(entry.getKey());
}
}
if (!remove.isEmpty()) {
copy.put("deleteAttribute", ImmutableList.copyOf(remove));
}
if (copy.containsKey("phoneNumber") && copy.get("phoneNumber") == null) {
copy.put("deleteProvider", ImmutableList.of("phone"));
copy.remove("phoneNumber");
}
if (copy.containsKey(CUSTOM_ATTRIBUTES)) {
Map customClaims = (Map) copy.remove(CUSTOM_ATTRIBUTES);
copy.put(CUSTOM_ATTRIBUTES, serializeCustomClaims(customClaims, jsonFactory));
}
return ImmutableMap.copyOf(copy);
}
}
}
